In Lancaster city, there’s a ginkgo tree that’s grown big enough to be the state champion. But its size isn’t what most impresses Len Eiserer. This tree’s pedigree is also worth noting: it was planted ...

“Ginkgo day is a good day,” said a passerby, gazing at the ginkgo tree outside Carnegie Science Hall as it commenced its annual leaf drop last Thursday. The morning was below-freezing and crisp, so it ...

Dear Roger: I have three questions, but hope mostly that you can address the main one. • Enclosed are pictures of my two ginkgo trees. One is growing well, now in its fourth year. The problem is that ...